A bituminous mixture typically consists of filler, binder, coarse and fine aggregates. When creating a hot mix asphalt, all of the ingredients are combined, spread out, and compacted at a high temperature. HMA can be either gap graded or dense graded mixes (DGM), also known as bituminous concrete (BC) or stone matrix asphalt (SMA). To stop the mix from draining down, SMA requires stabilising additives made of cellulose fibres, mineral fibres, or polymers. In the current study, an effort has been made to examine the impacts of using SISAL fibre, a locally and naturally occurring fibre that is employed as an additive in BC and as a stabiliser in SMA. In order to prepare the mixes, aggregate gradation was taken in accordance with MORTH specifications, binder concentration was routinely varied between 4% and 7%, and fibre content was varied between 0% and a maximum of 0.5% of the overall mix. Fly ash was employed for mixes in later operations after preliminary research revealed that it had satisfactory Marshall Properties.
bituminous, mixture, aggregate, gradation, employed, fibres
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